Liczba liczby całkowitej
// There is no int type, use number
const myInt: number = 17;
const myDecimal: number = 17.5;
Arrogant Ape
// There is no int type, use number
const myInt: number = 17;
const myDecimal: number = 17.5;let name: string; // stores text
let age: number; // stores numbers
let isMale: boolean; // stores a true or false values
let typeAny: any; // stores any type of value
let typeNull: null = null; // can only store a null value
let typeUndefined: undefined = undefined; // can only store undefined value
// these are the basic types of variables in TypeScript
// and of course you can change let to consttype Person = {
name: string;
age: number;
};
const person: Person {
named: 'Rex'
age: 23
}
function greet(person: Person) {
return "Hello " + person.name;
}interface Person {
name: string;
age: number;
}
const person:Person {
name: "Rex",
age: 20
}
function greet(person: Person) {
return "Hello " + person.name;
}